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The Brembo GT big brake kit for 2004–2008 Audi S4 and 2006–2008 A4 (rear) upgrades rear braking with four-piston cast calipers and two-piece 345×28 mm rotors. Slotted Type 3 rotors in a silver finish help manage heat and maintain consistent pad engagement. The kit is built as a direct-fit rear replacement for compatible S4 and A4 models.
Brembo 04-08 S4/06-08 A4 Rear GT BBK 4 Piston Cast 2pc 345x28 2pc Rotor Slotted Type3-Silver
